'Emerald diamond' is not a gemstone: it is a confusion of vocabulary.
An emerald-cut diamond stone is made from carbon.
An emerald is a different gemstone, made from the mineral beryl - (Be3Al2(SiO3)6) --and colored green by trace amounts of chromium and sometimes vanadium.
Diamonds are not made of coal. Diamonds are made from carbon, which is also true of coal. Both are allotropes of carbon.
carbon
a Carbon lattice structure (Carbon Atoms)Diamond is made of carbon atoms.
Carbon.
Carbon, one of the most common solid substances in the universe.
Diamonds are not made of coal. Diamonds are made from carbon, which is also true of coal. Both are allotropes of carbon.
If you reverse your statement, it is true: Diamonds are formed from carbon.
Diamonds are formed from carbon.
Carbon
Carbon.
they're made of carbon they're made of carbon
Diamonds are made of carbon, and so are we!
carbon
Diamonds are formed from carbon, and are not metallic.
Diamonds are pure carbon.
All diamonds are formed from carbon.
No, diamonds are formed from carbon.